Results 11 to 20 of about 61,983 (254)

Common envelope evolution [PDF]

open access: yesNew Astronomy Reviews, 2010
14 pages, 10 figures, to appear in proceedings of "A life with stars," a conference in honor of Ed van den Heuvel's 60th birthday, New Ast ...
Taam, R. E., Ricker, P. M.
openaire   +4 more sources

Accretion in common envelope evolution [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2018
AbstractCommon envelope evolution (CEE) occurs in some binary systems involving asymptotic giant branch (AGB) or red giant branch (RGB) stars, and understanding this process is crucial for understanding the origins of various transient phenomena. CEE has been shown to be highly asymmetrical and global 3D simulations are needed to help understand the ...
Luke Chamandy   +8 more
openaire   +4 more sources

Common envelope evolution of massive stars [PDF]

open access: yesProceedings of the International Astronomical Union, 2018
AbstractThe discovery via gravitational waves of binary black hole systems with total masses greater than 60Mʘ has raised interesting questions for stellar evolution theory. Among the most promising formation channels for these systems is one involving a common envelope binary containing a low metallicity, core helium burning star with mass ⁓30 – 40Mʘ ...
Paul M. Ricker   +3 more
openaire   +3 more sources

Common envelope evolution [PDF]

open access: yesProceedings of the International Astronomical Union, 2011
AbstractMany binary star systems are not wide enough to contain the progenitor stars from which they were made. One explanation for this is that when one star becomes a red giant a common envelope forms around both stars in the binary system. The core of the giant and its companion star continue to orbit one another inside the envelope.
Izzard, Robert G.   +3 more
openaire   +2 more sources

Common envelope evolution on a moving mesh [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2019
AbstractWe outline the methodology of simulating common envelope evolution (CEE) with the moving-mesh code manga. We extend manga to include multiple time-steps. This provides substantial speedups for problems with large dynamic range. We describe the implementation of realistic equations of state relevant in stellar structure and the generation of ...
Philip Chang, Logan J Prust
openaire   +2 more sources

Common envelope evolution of eccentric binaries [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2021
ABSTRACT Common envelope evolution (CEE) is believed to be an important stage in the evolution of binary/multiple stellar systems. Following this stage, the CE is thought to be ejected, leaving behind a compact binary (or a merger product).
Hila Glanz, Hagai B Perets
openaire   +2 more sources

An alternative to common envelope evolution [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2007
MNRAS ...
Beer, M. E.   +3 more
openaire   +3 more sources

The binding energy parameter for common envelope evolution [PDF]

open access: yesResearch in Astronomy and Astrophysics, 2016
The binding energy parameter $λ$ plays a vital role in common envelope evolution. Though it is well known that $λ$ takes different values for stars with different masses and varies during stellar evolution, it has been erroneously adopted as a constant in most of the population synthesis calculations. We have systematically calculated the values of $λ$
Wang, Cheng, Jia, Kun, Li, Xiang-Dong
openaire   +2 more sources

Energy budget and core-envelope motion in common envelope evolution [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2019
We analyze a 3D hydrodynamic simulation of common envelope evolution to understand how energy is transferred between various forms and whether theory and simulation are mutually consistent given the setup. Virtually all of the envelope unbinding in the simulation occurs before the end of the rapid plunge-in phase, here defined to coincide with the ...
Luke Chamandy   +6 more
openaire   +2 more sources

ON THE BINDING ENERGY PARAMETER λ OF COMMON ENVELOPE EVOLUTION [PDF]

open access: yesThe Astrophysical Journal, 2010
23 pages, 3 figures, accepted for publication in ApJ.
Xu, Xiao-Jie, Li, Xiang-Dong
openaire   +2 more sources

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